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Obverse Description
Thai text; Bhumibol Adulyadej (Rama IX) wearing military uniform; Phra Samut Chedi temple and pagoda on the Chao Phraya River; Royal Garuda emblem; airapote (3-headed elephant)
Reverse Description
Thai text; Ananta Samakhom Throne Hall in Bangkok
Catalog Information
GSID:
139587
Variety:
Sig 31 Prefix R/29 - R/45
BNB #:
B140c
Pick #:
P69
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Subject: I would like to contribute catalog info to CDN for Sig 31 Prefix R/29 - R/45
Body: Referring page: http://www.greysheet.com/prices/item/sig-31-prefix-r-29-r-45/gsid/139587 GSID: 139587 Title: Sig 31 Prefix R/29 - R/45
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Bank Note Value History
Sig 31 Prefix R/29 - R/45
Value By Grade
Sig 31 Prefix R/29 - R/45
Banknote Book values
Currency
Grade Range
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Pricing
No date Sig 16 Prefix C/1 - D/50 Thai digits in right s/n; variable weight font Intro: 07 03 1940
Worth: $6 – $100
Sig 23 Prefix D/51 - D/62 Western digits in both s/n; monoweight font Intro: 22 05 1946
Worth: $6 – $100
Diagonal red DLR oval ovpt front; horizontal red SPECIMEN No # ovpt lower left front; no sig ; all-zero s/n
No date Sig 16 Prefix K/26 - K/27 Intro: 07 03 1940
Horizontal purple SPECIMEN ovpt front; no sig ; no s/n
No date Sig 16 Prefix N/16 - N/39 Intro: 07 03 1940
Worth: $40 – $150
Sig 23 Prefix N/48 - N/55
Worth: $40 – $150
No date Sig 16 s/n T/1 20001 - T/1 40000 Intro: 07 03 1940
Worth: $800 – $3,400
Diagonal black DLR oval ovpt front; horizontal black SPECIMEN No # ovpt lower left front; all-zero s/n
No date Sig 17 Thai digits in right s/n Prefix A/1 - A/40 Intro: 24 06 1942
Worth: $30 – $450
Western digits in both s/n Prefix A/41 - C/28
Worth: $30 – $450
Sig 19 Prefix C/29 - C/32
Worth: $30 – $450
Sig 20 Prefix C/33
Worth: $30 – $450
No ovpt; no perf; all-zero s/n
No date Sig 17 Wmk: Constitution on phan (decorated tray with pedestal) Prefix N/1 - N/50 Intro: 24 05 1943
Worth: $60 – $1,200
Greysheet News
Weekly World Mint Coinage: October 8, 2026
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U.S. Mint Chooses Artist Corps
The United States Mint has selected 37 American artists to participate in its Artistic Infusion Program (AIP) to create and submit new designs for coins and medals.
10/8/2026
October 2026 Greensheet Market Analysis: Collector Grade Notes Strong
We now have the first prices realized dataset for the immense Stack's Bowers Global Showcase auction, and it reveals a market that is moving in two directions at the same time.
10/7/2026
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Saturday, August 1, 2026
